What is CVE-2026-11721?

CVE-2026-11721 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Cache poisoning possible with label count discrepancy, RRSIG, and wildcards

Which CVE IDs does CVE-2026-11721 cover?

CVE-2026-11721 covers the following CVE IDs: CVE-2026-11721. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-11721?

CVE-2026-11721 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-11721MediumCVSS 7.5

Cache poisoning possible with label count discrepancy, RRSIG, and wildcards

Vendor

Microsoft Security Response Center (MSRC)

Published

July 27, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-11721 →